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Multiple choice social studies tertiary and quaternary economic activities famous space scientists and astronauts space exploration discovery of universe

The system used for collecting, processing and analyzing the various data about the earth through computer is

  1. GPS

  2. E-mail

  3. Internet

  4. GIS
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A Geographic Information System (GIS) is specifically designed to capture, store, manipulate, analyze, manage, and present all types of geographical data using computer hardware and software. GPS is for positioning, whereas GIS is for processing and analyzing spatial data sets.

Multiple choice geography discovery of universe famous space scientists and astronauts space exploration space communications continents of earth antarctica antarctica

What was the circumference of earth calculated by Aryabhatta?

  1. 24901 miles

  2. 24835 miles

  3. 22134 miles

  4. 24234 miles
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
 The great Indian mathematician Aryabhata I (476–500 CE) gave an estimate of the earth’s circumference: 24,835 miles in our modern units. This remained the best measurement for over a thousand years.
Multiple choice geography discovery of universe famous space scientists and astronauts space exploration space communications continents of earth antarctica antarctica

Who is the author of "Siddhanta Shiromani"?

  1. Aryabhatta

  2. Varahamihira

  3. Bhaskaracharya II

  4. Eratosthenes
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Siddhanta Shiromani (Crown of treatises) is the major treatise of Indian mathematician Bhāskaracharya II. He wrote the Siddhanta Shiromani in 1150 when he was 36 years old. The work is composed in the Sanskrit Language in 1450 verses.

Multiple choice geography discovery of universe famous space scientists and astronauts space exploration space communications continents of earth antarctica antarctica

Who calculated the actual circumference of the earth in 3rd century CE?

  1. Ptolemy

  2. Plato

  3. Aristotle

  4. Eratosthenes
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Eratosthenes calculated the actual circumference of the earth in the 3rd century CE. He was a Greek scientific writer, astronomer, and poet. His work is comparable to what is now known as the study of geography, and he introduced some of the terminology still used today.

Multiple choice geography discovery of universe famous space scientists and astronauts space exploration space communications continents of earth antarctica antarctica

Which Indian astronomer told in 5th century that "the earth is not stationary"?

  1. Varahamihira

  2. Aryabhatta

  3. Bhaskaracharya

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Aryabhatta born in 476 AD and died in 550 AD, was a great mathematician and an astronomer. In the 5th century, he told that the earth is not stationary.

Multiple choice geography discovery of universe famous space scientists and astronauts space exploration space communications continents of earth antarctica antarctica

Who first sighted the continent of Australia?

  1. Captain James Cook

  2. Willem Janszoon

  3. Abel Tasman

  4. Matthew Flinder
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The first European to sight the Australian continent was Dutchman Willem Janszoon in 1606, along the coast of Cape York Peninsula. The Dutch mapped the northern coastline, referring to the continent as “New Holland".

Multiple choice geography discovery of universe famous space scientists and astronauts space exploration space communications continents of earth antarctica antarctica

Which is the sixth largest country of the world?

  1. Russia

  2. China

  3. Brazil

  4. Australia
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Australia is the sixth largest country in the world by area and the largest country in Oceania, the largest borderless country, as well as the largest country wholly in the Southern hemisphere. The five largest countries are Russia, Canada, USA, China, Brazil. India is the Seventh largest country.

Multiple choice geography discovery of universe famous space scientists and astronauts space exploration space communications continents of earth antarctica antarctica

Which is the world's smallest continent?

  1. Africa

  2. South America

  3. Europe

  4. Australia
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The smallest continent by land area is Australia with 9,008,000 (km2) which represents just 6% of the total land area in the world. The largest continent in the world is Asia.

Multiple choice geography discovery of universe famous space scientists and astronauts space exploration space communications continents of earth antarctica antarctica

In which year the Commonwealth of Australia was formed?

  1. 1876

  2. 1901

  3. 1912

  4. 1917
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Australia became an independent nation on 1 January 1901 when the British Parliament passed legislation allowing the six Australian colonies to govern in their own right as part of the Commonwealth of Australia.